D88e — Gruenfeld: Classical Exchange, Main Line, 11.cxd4 Bg4 12.f3

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2 c5 9.O-O Nc6 10.Be3 cxd4 11.cxd4 Bg4 12.f3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité centre (2v1), case forte f4, case forte d5, Be3 actif, Bc4 actif, paire de fous, colonne b.
Faiblesses adverses : bishop g4 en prise.
Problèmes : isolé a2.
Plans :
● Rc — Tour sur colonne c
● Rb — Tour sur colonne b

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité aile_dame (2v1), Bg4 actif, Bg7 actif, paire de fous, colonne d.
Faiblesses adverses : isolé a2.
Plans :
● ...Na5 — Attaquer Bc4
● ...e6 — Rupture
● ...e5 — Rupture
● ...f6 — Rupture
● ...f5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

D88e — Classical Exchange Main Line

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2 c5 9.O-O Nc6 10.Be3 cxd4 11.cxd4 Bg4 12.f3

Eval: [+0.38]

Les coups candidats

12…Na5 — 90.3% (2039 parties) →

Ambassadeurs : Tylecek, Drahomir (31x), Sychov, Aleksandr Vitalievi (24x), Ederer, Karel (14x), Daamen, Ferry (12x), Knaak, Rainer (11x), Schmidt, Wlodzimierz (11x), Korchnoi, Viktor (10x), Gligoric, Svetozar (10x)

12…Bd7 — 9.2% (208 parties)

Ambassadeurs : Colombo Berra, Fernando (4x), Calixto, Roberto Carlos (3x), Gligorić, Svetozar (2x), Cala, Ugo (2x), Paoli, Enrico (2x), Milev, Zdravko (2x), Theuermeister, Peter (2x), Carrasco Fernandez, Manuel (2x)

12…Be6 — 0.3% (6 parties)

Ambassadeurs : De Souza Mendes, Joao (1x), Tavares da Silva Luiz (1x), Giazzi, Zakary (1x), De Pieri, Francesco Maria (1x), Riegler, Dieter (1x), Fournell, Udo (1x), Khund, Y. (1x), Litinska, M. (1x)

12…Bc8 — 0.2% (5 parties)

Ambassadeurs : Serrano Pozo, Fermin (1x), Gajate Guillermo (1x), Ulicny, Daniel (1x), Goslbauer H (1x), Peddie Ian A (1x), Dournes, Robert (1x), Schmidt, Theo (1x), Geißler, Walter (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	12…Na5	12…Bd7	12…Be6	12…Bc8
<1800	63	70%	30%	—	—
1800-2200	777	87%	12%	0%	0%
2200-2600	511	92%	8%	—	0%
2600+	15	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	12…Na5	12…Bd7	12…Be6	12…Bc8
1900s	1	100%	—	—	—
1940s	17	82%	18%	—	—
1950s	70	94%	6%	—	—
1960s	59	97%	2%	2%	—
1970s	152	99%	—	1%	—
1980s	307	98%	1%	0%	—
1990s	504	92%	7%	0%	1%
2000s	655	90%	10%	—	0%
2010s	449	82%	18%	—	0%
2020s	44	68%	32%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
12…Na5	82%	68%	▼ -13.6%
12…Bd7	18%	32%	▲ +13.8%
12…Be6	0%	0%	+0.0%
12…Bc8	0%	0%	-0.2%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 2 parties
Kasparov, Garry — 2 parties
Anand, Viswanathan — 1 partie

Parties historiques

12…Na5 — 90.3% (2039 parties)

1905 — Ruffne Toth, Andrea vs Vallifuoco, Gc — 1-0 — Naples ITA
1944 — Tolush, Alexander V vs Boleslavsky, Isaac — 1-0 — Kiev UKR
1944 — Makogonov, Vladimir vs Tolush, Alexander V — 0-1 — Moskou ch-URS
1945 — Bondarevsky, Igor vs Rudakovsky, Iosif — 1/2-1/2 — Moskou ch-URS
1946 — Marini Speca, Gioia vs Sanguinetti, Renato — 1/2-1/2 — Buenos Aires ch-ARG

12…Bd7 — 9.2% (208 parties)

1948 — Vukovic, Sava vs Gligorić, Svetozar — 1/2-1/2 — Belgrade SRB
1948 — Gligorić, Svetozar vs Milic, Borislav — 0-1 — Belgrade SRB
1949 — Beni, Alfred vs Fletzer — 1/2-1/2 — Vienna AUT
1950 — Cala, Ugo vs Paoli, Enrico — 0-1 — Venice ITA
1950 — Cala, Ugo vs Paoli, Enrico — 0-1 — Venice ITA

12…Be6 — 0.3% (6 parties)

1967 — De Souza Mendes, Joao vs Tavares da Silva Luiz — 0-1 — Sao Paulo BRA
1978 — Riegler, Dieter vs Fournell, Udo — 0-1 — Hagen-Hohenlimburg
1979 — Khund, Y. vs Litinska, M. — 0-1 — ?
1981 — Giazzi, Zakary vs De Pieri, Francesco Maria — 1-0 — corr Italy
1997 — Beider, Andrew vs Manners, Courtney — 1-0 — Detroit, MI USA

12…Bc8 — 0.2% (5 parties)

1994 — Ulicny, Daniel vs Goslbauer H — 1/2-1/2 — Hradec Kralove CZE
1996 — Peddie Ian A vs Dournes, Robert — 1-0 — corr IECG M
1998 — Serrano Pozo, Fermin vs Gajate Guillermo — 1-0 — ?
2007 — Schmidt, Theo vs Geißler, Walter — 1-0 — ICCF
2014 — Prielozny, Eduard vs Bohdal, Jan — 1/2-1/2 — Slovakia

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	● a2	—
Arriérés	—	—
Chaînes	● g2→f3, f3→e4	● f7→g6, h7→g6
Passés	—	—
Majorité	● centre 2v1	● aile_dame 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● d5 (2v1)	—
Cases faibles	● d4	—
Centre	● d5 (2v1), ● e4 (1v0)	● e5 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Ouvertes	● c	● c
Semi-ouvertes	● b	● d

Pièces

	♔ Blancs	♚ Noirs
Be3	● Be3 Actif (mob. 6)
Bc4	● Bc4 Actif (mob. 7)
Bg4		● Bg4 Actif (mob. 7)
Bg7		● Bg7 Actif (mob. 5)
Paire de fous	● Oui	● Oui
Clouages	—	● pawn f7
Non développées	1 (a1)	1 (a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● d4-d5, ● e4-e5, ● f3-f4	● …e7-e6, ● …e7-e5, ● …f7-f6, ● …f7-f5

Partie
1948 JUG Ch – Round 15 – Gligorić, Svetozar – 0-1 – Milic, Borislav – G64 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 c5 9. O-O Nc6 10. Be3 cxd4
1948 JUG Ch – Round 7 – Vukovic, Sava – 1/2-1/2 – Gligorić, Svetozar – G28 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 c5 9. O-O Nc6 10. Be3 cxd4
1949 Vienna – Round 7 – Beni, Alfred – 1/2-1/2 – Fletzer – G15 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Bc4 Bg7 8. Ne2 O-O 9. Be3 cxd4 10. cxd4 Nc6
1953 Bucharest – Round 3 – Spassky, Boris V. – 0-1 – Milev, Zdravko – G30 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 O-O 9. O-O cxd4 10. cxd4 Nc6
1956 Moscow olm fin-A – Round 7 – Portisch, Lajos – 1/2-1/2 – Milev, Zdravko – G115 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 cxd4 9. cxd4 O-O 10. O-O Nc6

1948 JUG Ch – Round 15 – Gligorić, Svetozar – 0-1 – Milic, Borislav – G64

1948 JUG Ch – Round 7 – Vukovic, Sava – 1/2-1/2 – Gligorić, Svetozar – G28

1949 Vienna – Round 7 – Beni, Alfred – 1/2-1/2 – Fletzer – G15

1953 Bucharest – Round 3 – Spassky, Boris V. – 0-1 – Milev, Zdravko – G30

1956 Moscow olm fin-A – Round 7 – Portisch, Lajos – 1/2-1/2 – Milev, Zdravko – G115